MESON Chess Problem Database

Problem Display
PID: 165170 (r5N1/r1np1P2/1Bbk4/1pR3R1/1p2PP1K/6NB/1b3p2/q7 w - - 0 1)

Rinaldini, Angelo

L'Alfiere di Re, 1923

r5N1/r1np1P2/1Bbk4/1pR3R1/1p2PP1K/6NB/1b3p2/q7

#2

10 + 11

15148 Sadier Collection 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe4
      • 2.Sxe4#
    • 1...Bb7
      • 2.Bxc7#
    • 1...Se6
      • 2.Sf5#
    • 1...Se8
      • 2.f8Q#
      • 2.f8B#
  • Tries
    • 1.Rxc6+?
      • 1...dxc6
        • 2.Bc5#
      • 1...Kxc6!
    • 1.Rge5?
      • threat
        • 2.Sf5#
      • 1...Bxe4
        • 2.Sxe4#
      • 1...Bxe5!
    • 1.Rg6+?
      • 1...Se6
        • 2.Sf5#
      • 1...Bf6+!
    • 1.f8S?
      • threat
        • 2.Sf5#
      • 1...Bxe4
        • 2.Sxe4#
      • 1...Rxf8!
  • Keys
    • 1.Rc3!
      • threat
        • 2.Bc5#
      • 1...Bxe4
        • 2.Sxe4#
      • 1...Bd5
        • 2.e5#
      • 1...Bb7
        • 2.Bxc7#
      • 1...Sd5
        • 2.e5#
      • 1...Sa6
        • 2.Rg6#
      • 1...Se6
        • 2.Sf5#
      • 1...Se8
        • 2.f8Q#
        • 2.f8B#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(f);XP(C)::S(A),XB(f)
    • B(f);S_CUTR(h)::B(H),XS(i)
    • S(i);SBLOCK::S(A)
    • S(i);S_CUTR(k)::P=Q
  • Tries
    • Try
      • R(F);CHECK,XB(f)
      • Vars
        • P(j);SBLOCK,XR(F)::B(H)
      • Refutation
        • K(g);P-FLIGHT,XR(F)
    • Try
      • R(G);
      • Threat
        • S(A)
      • Vars
        • B(f);XP(C)::S(A),XB(f)
      • Refutation
        • B(b);XR(G)
    • Try
      • R(G);CHECK
      • Vars
        • S(i);P_SPINS(i)::S(A)
      • Refutation
        • B(b);CHECK,P_SPINB(b)
    • Try
      • P(I);
      • Threat
        • S(A)
      • Vars
        • B(f);XP(C)::S(A),XB(f)
      • Refutation
        • R(k);XS(I)
  • Actual
    • R(F);
    • Threat
      • B(H)
    • Vars
      • B(f);XP(C)::S(A),XB(f)
      • B(f);SBLOCK::P(C)
      • B(f);S_CUTR(h)::B(H),XS(i)
      • S(i);SBLOCK::P(C)
      • S(i);N_GUARD::R(G)
      • S(i);SBLOCK::S(A)
      • S(i);S_CUTR(k)::P=Q
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